Gemstone

An authentic 14k white gold Art Deco onyx and diamond ring stamped “A&S”

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The product is an authentic 14k white gold Art Deco onyx and diamond ring stamped “A&S.” This antique ring features a natural black onyx as the main stone and a diamond secondary stone, set in a cocktail style design typical of the Art Deco era (1915-1935). With a vintage appeal and a hint of Art, this ring is a perfect choice for an anniversary occasion, making it a timeless piece for women who appreciate fine jewelry craftsmanship.I couldn’t get a picture of stamp but it is stamp S&A 14 k

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Vintage PSCO 10K Gold Black Onyx Diamond Filigree Lace Cocktail Ring Size 7

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Up for sale is an authentic, beautifully preserved vintage estate cocktail ring manufactured by the historic Plainville Stock Company (PSCO). This stunning Art Deco style ring features a large, polished oval cabochon black onyx center stone. Set directly into the heart of the onyx is a white gold, diamond-shaped plaque showcasing a single-cut sparkling diamond accent. The mounting is a spectacular example of Mid-Century craftsmanship, boasting a highly detailed yellow gold filigree and scroll openwork setting. Maker’s Mark: Stamped “10K” alongside the official “PSCO” hallmark. Ring Size: 7 Weight: 4 grams Condition: Excellent vintage condition with normal light wear consistent with age. No cracks to the onyx or anywhere else.

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14K Gold Onyx Diamond Ring Vintage

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This vintage 14K gold onyx diamond ring is a stunning piece of fine jewelry for women. Featuring a black onyx stone in an oval shape with a single eye-clean diamond accent, this cocktail ring exudes elegance and style. Made with yellow gold and a vintage design, it is perfect for special occasions like anniversaries or birthdays. The ring is handmade, signed, and resizable, making it a unique and original piece that is sure to make a statement.

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